From abbeb88d00bef294ce661a9229c1dc31be064545 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Tue, 23 Oct 2007 15:08:19 +0200
Subject: [PATCH] blk_sync_queue() should cancel request_queue->unplug_work

blk_sync_queue() cancels the timer, but forgets to cancel the work.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/ll_rw_blk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 49c0f18cb783..d8616e6ebd92 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1738,6 +1738,7 @@ EXPORT_SYMBOL(blk_stop_queue);
 void blk_sync_queue(struct request_queue *q)
 {
 	del_timer_sync(&q->unplug_timer);
+	kblockd_flush_work(&q->unplug_work);
 }
 EXPORT_SYMBOL(blk_sync_queue);
 
-- 
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